From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 740F6C433DB for ; Thu, 4 Feb 2021 16:44:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C76564DF5 for ; Thu, 4 Feb 2021 16:44:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238115AbhBDQn5 (ORCPT ); Thu, 4 Feb 2021 11:43:57 -0500 Received: from linux.microsoft.com ([13.77.154.182]:52915 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238053AbhBDQnf (ORCPT ); Thu, 4 Feb 2021 11:43:35 -0500 Received: from localhost.localdomain (c-73-42-176-67.hsd1.wa.comcast.net [73.42.176.67]) by linux.microsoft.com (Postfix) with ESMTPSA id C73E620B6C4A; Thu, 4 Feb 2021 08:42:05 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com C73E620B6C4A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1612456926; bh=eteQoM8TsJLZTpLH4UcJUMfvK8vuu3EMwdBLJt4y9+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lCYMWduI56a6WnVybP/MH51bcFWObfPHsX3LqZ74EnxNMZrULXgh05QMEZYrNkcS5 FwpXUdTmapdyezPwl1/M0kJpgnLz6juQecFOl7RdGUJ19OHiUL3z3XfeV+2RCTqjU2 06x0mMRFKkbicN4XYXDoU0l5PspNBtA0z5lT+KGA= From: Lakshmi Ramasubramanian To: zohar@linux.ibm.com, bauerman@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, will@kernel.org, joe@perches.com, catalin.marinas@arm.com, mpe@ellerman.id.au Cc: james.morse@arm.com, sashal@kernel.org, benh@kernel.crashing.org, paulus@samba.org, frowand.list@gmail.com, vincenzo.frascino@arm.com, mark.rutland@arm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, pasha.tatashin@soleen.com, allison@lohutok.net, masahiroy@kernel.org, bhsharma@redhat.com, mbrugger@suse.com, hsinyi@chromium.org, tao.li@vivo.com, christophe.leroy@c-s.fr, prsriva@linux.microsoft.com, balajib@linux.microsoft.com, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v16 10/12] arm64: Use OF alloc and free functions for FDT Date: Thu, 4 Feb 2021 08:41:33 -0800 Message-Id: <20210204164135.29856-11-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210204164135.29856-1-nramas@linux.microsoft.com> References: <20210204164135.29856-1-nramas@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org of_alloc_and_init_fdt() and of_free_fdt() have been defined in drivers/of/kexec.c to allocate and free memory for FDT. Use of_alloc_and_init_fdt() and of_free_fdt() to allocate and initialize the FDT, and to free the FDT respectively. Signed-off-by: Lakshmi Ramasubramanian Suggested-by: Rob Herring --- arch/arm64/kernel/machine_kexec_file.c | 37 +++++++------------------- 1 file changed, 10 insertions(+), 27 deletions(-) diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 7da22bb7b9d5..7d6cc478f73c 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -29,7 +29,7 @@ const struct kexec_file_ops * const kexec_file_loaders[] = { int arch_kimage_file_post_load_cleanup(struct kimage *image) { - vfree(image->arch.dtb); + of_free_fdt(image->arch.dtb); image->arch.dtb = NULL; vfree(image->arch.elf_headers); @@ -57,36 +57,19 @@ static int create_dtb(struct kimage *image, cmdline_len = cmdline ? strlen(cmdline) : 0; buf_size = fdt_totalsize(initial_boot_params) + cmdline_len + DTB_EXTRA_SPACE; - - for (;;) { - buf = vmalloc(buf_size); - if (!buf) - return -ENOMEM; - - /* duplicate a device tree blob */ - ret = fdt_open_into(initial_boot_params, buf, buf_size); - if (ret) - return -EINVAL; - - ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, + buf = of_alloc_and_init_fdt(buf_size); + if (!buf) + return -ENOMEM; + ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, initrd_len, cmdline); - if (ret) { - vfree(buf); - if (ret == -ENOMEM) { - /* unlikely, but just in case */ - buf_size += DTB_EXTRA_SPACE; - continue; - } else { - return ret; - } - } - + if (!ret) { /* trim it */ fdt_pack(buf); *dtb = buf; + } else + of_free_fdt(buf); - return 0; - } + return ret; } static int prepare_elf_headers(void **addr, unsigned long *sz) @@ -224,6 +207,6 @@ int load_other_segments(struct kimage *image, out_err: image->nr_segments = orig_segments; - vfree(dtb); + of_free_fdt(dtb); return ret; } -- 2.30.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5732C433DB for ; Thu, 4 Feb 2021 17:03:07 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2382164F3C for ; Thu, 4 Feb 2021 17:03:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2382164F3C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4DWlHF3DvzzDx1c for ; Fri, 5 Feb 2021 04:03:05 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.microsoft.com (client-ip=13.77.154.182; helo=linux.microsoft.com; envelope-from=nramas@linux.microsoft.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=lCYMWduI; dkim-atps=neutral Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lists.ozlabs.org (Postfix) with ESMTP id 4DWkq32Fs6zDwqF for ; Fri, 5 Feb 2021 03:42:07 +1100 (AEDT) Received: from localhost.localdomain (c-73-42-176-67.hsd1.wa.comcast.net [73.42.176.67]) by linux.microsoft.com (Postfix) with ESMTPSA id C73E620B6C4A; Thu, 4 Feb 2021 08:42:05 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com C73E620B6C4A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1612456926; bh=eteQoM8TsJLZTpLH4UcJUMfvK8vuu3EMwdBLJt4y9+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lCYMWduI56a6WnVybP/MH51bcFWObfPHsX3LqZ74EnxNMZrULXgh05QMEZYrNkcS5 FwpXUdTmapdyezPwl1/M0kJpgnLz6juQecFOl7RdGUJ19OHiUL3z3XfeV+2RCTqjU2 06x0mMRFKkbicN4XYXDoU0l5PspNBtA0z5lT+KGA= From: Lakshmi Ramasubramanian To: zohar@linux.ibm.com, bauerman@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, will@kernel.org, joe@perches.com, catalin.marinas@arm.com, mpe@ellerman.id.au Subject: [PATCH v16 10/12] arm64: Use OF alloc and free functions for FDT Date: Thu, 4 Feb 2021 08:41:33 -0800 Message-Id: <20210204164135.29856-11-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210204164135.29856-1-nramas@linux.microsoft.com> References: <20210204164135.29856-1-nramas@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, bhsharma@redhat.com, tao.li@vivo.com, paulus@samba.org, vincenzo.frascino@arm.com, frowand.list@gmail.com, sashal@kernel.org, masahiroy@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, serge@hallyn.com, devicetree@vger.kernel.org, pasha.tatashin@soleen.com, prsriva@linux.microsoft.com, hsinyi@chromium.org, allison@lohutok.net, christophe.leroy@c-s.fr, mbrugger@suse.com, balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com, linux-kernel@vger.kernel.org, james.morse@arm.com, linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" of_alloc_and_init_fdt() and of_free_fdt() have been defined in drivers/of/kexec.c to allocate and free memory for FDT. Use of_alloc_and_init_fdt() and of_free_fdt() to allocate and initialize the FDT, and to free the FDT respectively. Signed-off-by: Lakshmi Ramasubramanian Suggested-by: Rob Herring --- arch/arm64/kernel/machine_kexec_file.c | 37 +++++++------------------- 1 file changed, 10 insertions(+), 27 deletions(-) diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 7da22bb7b9d5..7d6cc478f73c 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -29,7 +29,7 @@ const struct kexec_file_ops * const kexec_file_loaders[] = { int arch_kimage_file_post_load_cleanup(struct kimage *image) { - vfree(image->arch.dtb); + of_free_fdt(image->arch.dtb); image->arch.dtb = NULL; vfree(image->arch.elf_headers); @@ -57,36 +57,19 @@ static int create_dtb(struct kimage *image, cmdline_len = cmdline ? strlen(cmdline) : 0; buf_size = fdt_totalsize(initial_boot_params) + cmdline_len + DTB_EXTRA_SPACE; - - for (;;) { - buf = vmalloc(buf_size); - if (!buf) - return -ENOMEM; - - /* duplicate a device tree blob */ - ret = fdt_open_into(initial_boot_params, buf, buf_size); - if (ret) - return -EINVAL; - - ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, + buf = of_alloc_and_init_fdt(buf_size); + if (!buf) + return -ENOMEM; + ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, initrd_len, cmdline); - if (ret) { - vfree(buf); - if (ret == -ENOMEM) { - /* unlikely, but just in case */ - buf_size += DTB_EXTRA_SPACE; - continue; - } else { - return ret; - } - } - + if (!ret) { /* trim it */ fdt_pack(buf); *dtb = buf; + } else + of_free_fdt(buf); - return 0; - } + return ret; } static int prepare_elf_headers(void **addr, unsigned long *sz) @@ -224,6 +207,6 @@ int load_other_segments(struct kimage *image, out_err: image->nr_segments = orig_segments; - vfree(dtb); + of_free_fdt(dtb); return ret; } -- 2.30.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31649C433E6 for ; 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a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1612456926; bh=eteQoM8TsJLZTpLH4UcJUMfvK8vuu3EMwdBLJt4y9+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lCYMWduI56a6WnVybP/MH51bcFWObfPHsX3LqZ74EnxNMZrULXgh05QMEZYrNkcS5 FwpXUdTmapdyezPwl1/M0kJpgnLz6juQecFOl7RdGUJ19OHiUL3z3XfeV+2RCTqjU2 06x0mMRFKkbicN4XYXDoU0l5PspNBtA0z5lT+KGA= From: Lakshmi Ramasubramanian To: zohar@linux.ibm.com, bauerman@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, will@kernel.org, joe@perches.com, catalin.marinas@arm.com, mpe@ellerman.id.au Subject: [PATCH v16 10/12] arm64: Use OF alloc and free functions for FDT Date: Thu, 4 Feb 2021 08:41:33 -0800 Message-Id: <20210204164135.29856-11-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210204164135.29856-1-nramas@linux.microsoft.com> References: <20210204164135.29856-1-nramas@linux.microsoft.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210204_114207_095282_C9A68EEE X-CRM114-Status: GOOD ( 14.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, benh@kernel.crashing.org, bhsharma@redhat.com, tao.li@vivo.com, paulus@samba.org, vincenzo.frascino@arm.com, frowand.list@gmail.com, sashal@kernel.org, masahiroy@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, serge@hallyn.com, devicetree@vger.kernel.org, pasha.tatashin@soleen.com, prsriva@linux.microsoft.com, hsinyi@chromium.org, allison@lohutok.net, christophe.leroy@c-s.fr, mbrugger@suse.com, balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com, linux-kernel@vger.kernel.org, james.morse@arm.com, linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org of_alloc_and_init_fdt() and of_free_fdt() have been defined in drivers/of/kexec.c to allocate and free memory for FDT. Use of_alloc_and_init_fdt() and of_free_fdt() to allocate and initialize the FDT, and to free the FDT respectively. Signed-off-by: Lakshmi Ramasubramanian Suggested-by: Rob Herring --- arch/arm64/kernel/machine_kexec_file.c | 37 +++++++------------------- 1 file changed, 10 insertions(+), 27 deletions(-) diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 7da22bb7b9d5..7d6cc478f73c 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -29,7 +29,7 @@ const struct kexec_file_ops * const kexec_file_loaders[] = { int arch_kimage_file_post_load_cleanup(struct kimage *image) { - vfree(image->arch.dtb); + of_free_fdt(image->arch.dtb); image->arch.dtb = NULL; vfree(image->arch.elf_headers); @@ -57,36 +57,19 @@ static int create_dtb(struct kimage *image, cmdline_len = cmdline ? strlen(cmdline) : 0; buf_size = fdt_totalsize(initial_boot_params) + cmdline_len + DTB_EXTRA_SPACE; - - for (;;) { - buf = vmalloc(buf_size); - if (!buf) - return -ENOMEM; - - /* duplicate a device tree blob */ - ret = fdt_open_into(initial_boot_params, buf, buf_size); - if (ret) - return -EINVAL; - - ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, + buf = of_alloc_and_init_fdt(buf_size); + if (!buf) + return -ENOMEM; + ret = of_kexec_setup_new_fdt(image, buf, initrd_load_addr, initrd_len, cmdline); - if (ret) { - vfree(buf); - if (ret == -ENOMEM) { - /* unlikely, but just in case */ - buf_size += DTB_EXTRA_SPACE; - continue; - } else { - return ret; - } - } - + if (!ret) { /* trim it */ fdt_pack(buf); *dtb = buf; + } else + of_free_fdt(buf); - return 0; - } + return ret; } static int prepare_elf_headers(void **addr, unsigned long *sz) @@ -224,6 +207,6 @@ int load_other_segments(struct kimage *image, out_err: image->nr_segments = orig_segments; - vfree(dtb); + of_free_fdt(dtb); return ret; } -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel